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I'm not sure what the code stands for, but many have had codes pop up with the wrong air filter. I would switch back to the stock filter if you still have it and see what happens.Have a 2022 3500 cummins, I changed the air filter to a K&N on Friday and now I am getting the P0299. Wondering if that could be the issue. Anyone else have this issue
Are you 100% sure every thing is tight, that their is no air intake leaks and or restrictions? New filter could cause problems with air flow sensor...Have a 2022 3500 cummins, I changed the air filter to a K&N on Friday and now I am getting the P0299. Wondering if that could be the issue. Anyone else have this issue